Author: uwe
Date: 2007-10-30 04:09:39 +0100 (Tue, 30 Oct 2007)
New Revision: 2907

Added:
   trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/
   trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/Config.lb
   trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/chip.h
   trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r.c
   trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r.h
   trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_bridge.c
   trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_early_smbus.c
   trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_ide.c
   trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_lpc.c
   trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_sata.c
Modified:
   trunk/LinuxBIOSv2/src/include/device/pci_ids.h
Log:
Add support for the VIA VT8237R southbridge.

Signed-off-by: Rudolf Marek <[EMAIL PROTECTED]>
Acked-by: <[EMAIL PROTECTED]>
Acked-by: Uwe Hermann <[EMAIL PROTECTED]>



Modified: trunk/LinuxBIOSv2/src/include/device/pci_ids.h
===================================================================
--- trunk/LinuxBIOSv2/src/include/device/pci_ids.h      2007-10-30 02:24:49 UTC 
(rev 2906)
+++ trunk/LinuxBIOSv2/src/include/device/pci_ids.h      2007-10-30 03:09:39 UTC 
(rev 2907)
@@ -1138,6 +1138,21 @@
 #define PCI_DEVICE_ID_VIA_8505_1       0x8605
 #define PCI_DEVICE_ID_VIA_8633_1       0xB091
 #define PCI_DEVICE_ID_VIA_8367_1       0xB099
+#define PCI_DEVICE_ID_VIA_K8T890CE_0   0x0238
+#define PCI_DEVICE_ID_VIA_K8T890CE_1   0x1238
+#define PCI_DEVICE_ID_VIA_K8T890CE_2   0x2238
+#define PCI_DEVICE_ID_VIA_K8T890CE_3   0x3238
+#define PCI_DEVICE_ID_VIA_K8T890CE_4   0x4238
+#define PCI_DEVICE_ID_VIA_K8T890CE_5   0x5238
+#define PCI_DEVICE_ID_VIA_K8T890CE_7   0x7238
+#define PCI_DEVICE_ID_VIA_K8T890CE_PEG 0xa238
+#define PCI_DEVICE_ID_VIA_K8T890CE_PEX0        0xc238
+#define PCI_DEVICE_ID_VIA_K8T890CE_PEX1        0xd238
+#define PCI_DEVICE_ID_VIA_K8T890CE_PEX2        0xe238
+#define PCI_DEVICE_ID_VIA_K8T890CE_PEX3        0xf238
+#define PCI_DEVICE_ID_VIA_K8T890CE_BR  0xb188
+#define PCI_DEVICE_ID_VIA_VT6420_SATA  0x3149
+#define PCI_DEVICE_ID_VIA_VT8237R_LPC  0x3227
 
 #define PCI_VENDOR_ID_SIEMENS           0x110A
 #define PCI_DEVICE_ID_SIEMENS_DSCC4     0x2102

Added: trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/Config.lb
===================================================================
--- trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/Config.lb                     
        (rev 0)
+++ trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/Config.lb     2007-10-30 
03:09:39 UTC (rev 2907)
@@ -0,0 +1,26 @@
+##
+## This file is part of the LinuxBIOS project.
+##
+## Copyright (C) 2007 Rudolf Marek <[EMAIL PROTECTED]>
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License v2 as published by
+## the Free Software Foundation.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, write to the Free Software
+## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+##
+
+config chip.h
+
+driver vt8237r.o
+driver vt8237r_ide.o
+driver vt8237r_lpc.o
+driver vt8237r_sata.o
+driver vt8237r_bridge.o

Added: trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/chip.h
===================================================================
--- trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/chip.h                        
        (rev 0)
+++ trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/chip.h        2007-10-30 
03:09:39 UTC (rev 2907)
@@ -0,0 +1,60 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Rudolf Marek <[EMAIL PROTECTED]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License v2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#ifndef SOUTHBRIDGE_VIA_VT8237R_CHIP_H
+#define SOUTHBRIDGE_VIA_VT8237R_CHIP_H
+
+#include <stdint.h>
+
+extern struct chip_operations southbridge_via_vt8237r_ops;
+
+struct southbridge_via_vt8237r_config {
+       /**
+        * Function disable. 1 = disabled.
+        * 7 Dev 17 fn 6 MC97
+        * 6 Dev 17 fn 5 AC97
+        * 5 Dev 16 fn 1 USB 1.1 UHCI Ports 2-3
+        * 4 Dev 16 fn 0 USB 1.1 UHCI Ports 0-1
+        * 3 Dev 15 fn 0 Serial ATA
+        * 2 Dev 16 fn 2 USB 1.1 UHCI Ports 4-5
+        * 1 Dev 16 fn 4 USB 2.0 EHCI
+        * 0 Dev 16 fn 3 USB 1.1 UHCI Ports 6-7
+        */
+       u16 fn_ctrl_lo;
+
+       /**
+        * 7 USB Device Mode 1=dis
+        * 6 Reserved
+        * 5 Internal LAN Controller Clock Gating 1=gated
+        * 4 Internal LAN Controller 1=di
+        * 3 Internal RTC 1=en
+        * 2 Internal PS2 Mouse 1=en
+        * 1 Internal KBC Configuration 0=dis ports 0x2e/0x2f off 0xe0-0xef
+        * 0 Internal Keyboard Controller 1=en
+        */
+       u16 fn_ctrl_hi;
+
+       int ide0_enable:1;
+       int ide1_enable:1;
+       /* 1 = 80-pin cable */
+       int ide0_80pin_cable:1;
+       int ide1_80pin_cable:1;
+};
+
+#endif /* SOUTHBRIDGE_VIA_VT8237R_CHIP_H */

Added: trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r.c
===================================================================
--- trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r.c                     
        (rev 0)
+++ trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r.c     2007-10-30 
03:09:39 UTC (rev 2907)
@@ -0,0 +1,89 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Rudolf Marek <[EMAIL PROTECTED]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License v2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ops.h>
+#include <device/pci_ids.h>
+#include <pc80/keyboard.h>
+#include "chip.h"
+
+/*
+ * Datasheet: http://www.via.com.tw/en/downloads/datasheets/chipsets/
+ *             VT8237R_SouthBridge_Revision2.06_Lead-Free.zip
+ */
+
+void hard_reset(void)
+{
+       printk_err("NO HARD RESET ON VT8237R! FIX ME!\n");
+}
+
+#if DEFAULT_CONSOLE_LOGLEVEL > 7
+void writeback(struct device *dev, u16 where, u8 what)
+{
+       u8 regval;
+
+       pci_write_config8(dev, where, what);
+       regval = pci_read_config8(dev, where);
+
+       if (regval != what) {
+               print_debug("Writeback to ");
+               print_debug_hex8(where);
+               print_debug("failed ");
+               print_debug_hex8(regval);
+               print_debug("\n ");     /* TODO: Drop the space? */
+       }
+}
+#else
+void writeback(struct device *dev, u16 where, u8 what)
+{
+       pci_write_config8(dev, where, what);
+}
+#endif
+
+void dump_south(device_t dev)
+{
+       int i, j;
+
+       for (i = 0; i < 256; i += 16) {
+               printk_debug("%02x: ", i);
+               for (j = 0; j < 16; j++) {
+                       printk_debug("%02x ",
+                                    pci_read_config8(dev, i + j));
+               }
+               printk_debug("\n");
+       }
+}
+
+static void vt8237r_enable(struct device *dev)
+{
+       struct southbridge_via_vt8237r_config *sb =
+       (struct southbridge_via_vt8237r_config *) dev->chip_info;
+
+       pci_write_config8(dev, 0x50, sb->fn_ctrl_lo);
+       pci_write_config8(dev, 0x51, sb->fn_ctrl_hi);
+
+       /* TODO: If SATA is disabled, move IDE to fn0 to conform PCI specs. */
+}
+
+struct chip_operations southbridge_via_vt8237r_ops = {
+       CHIP_NAME("VIA VT8237R Southbridge")
+       .enable_dev = vt8237r_enable,
+};

Added: trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r.h
===================================================================
--- trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r.h                     
        (rev 0)
+++ trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r.h     2007-10-30 
03:09:39 UTC (rev 2907)
@@ -0,0 +1,33 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Rudolf Marek <[EMAIL PROTECTED]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License v2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#ifndef SOUTHBRIDGE_VIA_VT8237R_VT8237R_H
+#define SOUTHBRIDGE_VIA_VT8237R_VT8237R_H
+
+/* Static resources for the VT8237R southbridge. */
+
+#define VT8237R_APIC_ID                0x2
+#define VT8237R_ACPI_IO_BASE   0x500
+#define VT8237R_SMBUS_IO_BASE  0x400
+/* 0x0 disabled, 0x2 reserved, 0xf = IRQ15 */
+#define VT8237R_ACPI_IRQ       0x9
+#define VT8237R_HPET_ADDR      0xfed00000ULL
+#define VT8237R_APIC_BASE      0xfec00000ULL
+
+#endif

Added: trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_bridge.c
===================================================================
--- trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_bridge.c              
                (rev 0)
+++ trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_bridge.c      
2007-10-30 03:09:39 UTC (rev 2907)
@@ -0,0 +1,57 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Rudolf Marek <[EMAIL PROTECTED]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License v2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ops.h>
+#include <device/pci_ids.h>
+#include <console/console.h>
+
+static void bridge_enable(struct device *dev)
+{
+       print_debug("B188 device dump\n");
+
+       /* VIA recommends this, sorry no known info. */
+       writeback(dev, 0x40, 0x91);
+       writeback(dev, 0x41, 0x40);
+       writeback(dev, 0x43, 0x44);
+       writeback(dev, 0x44, 0x31);
+       writeback(dev, 0x45, 0x3a);
+       writeback(dev, 0x46, 0x88);     /* PCI ID lo */
+       writeback(dev, 0x47, 0xb1);     /* PCI ID hi */
+       writeback(dev, 0x3e, 0x16);     /* Bridge control */
+
+       dump_south(dev);
+}
+
+static struct device_operations bridge_ops = {
+       .read_resources = pci_bus_read_resources,
+       .set_resources = pci_dev_set_resources,
+       .enable_resources = pci_bus_enable_resources,
+       .enable = bridge_enable,
+       .scan_bus = pci_scan_bridge,
+       .reset_bus = pci_bus_reset,
+       .ops_pci = 0,
+};
+
+static struct pci_driver northbridge_driver __pci_driver = {
+       .ops = &bridge_ops,
+       .vendor = PCI_VENDOR_ID_VIA,
+       .device = PCI_DEVICE_ID_VIA_K8T890CE_BR,
+};

Added: trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_early_smbus.c
===================================================================
--- trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_early_smbus.c         
                (rev 0)
+++ trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_early_smbus.c 
2007-10-30 03:09:39 UTC (rev 2907)
@@ -0,0 +1,168 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Corey Osgood <[EMAIL PROTECTED]>
+ * Copyright (C) 2007 Rudolf Marek <[EMAIL PROTECTED]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <device/pci_ids.h>
+#include "vt8237r.h"
+
+#define VT8237R_POWER_WELL             0x94
+#define VT8237R_SMBUS_IO_BASE_REG      0xd0
+#define VT8237R_SMBUS_HOST_CONF                0xd2
+
+#define SMBHSTSTAT     (VT8237R_SMBUS_IO_BASE + 0x0)
+#define SMBSLVSTAT     (VT8237R_SMBUS_IO_BASE + 0x1)
+#define SMBHSTCTL      (VT8237R_SMBUS_IO_BASE + 0x2)
+#define SMBHSTCMD      (VT8237R_SMBUS_IO_BASE + 0x3)
+#define SMBXMITADD     (VT8237R_SMBUS_IO_BASE + 0x4)
+#define SMBHSTDAT0     (VT8237R_SMBUS_IO_BASE + 0x5)
+
+#define HOST_RESET             0xff
+/* 1 in the 0 bit of SMBHSTADD states to READ. */
+#define READ_CMD               0x01
+#define SMBUS_TIMEOUT          (100 * 1000 * 10)
+#define I2C_TRANS_CMD          0x40
+#define CLOCK_SLAVE_ADDRESS    0x69
+
+#if DEBUG_SMBUS == 1
+#define PRINT_DEBUG(x)         print_debug(x)
+#define PRINT_DEBUG_HEX16(x)   print_debug_hex16(x)
+#else
+#define PRINT_DEBUG(x)
+#define PRINT_DEBUG_HEX16(x)
+#endif
+
+#define SMBUS_DELAY() inb(0x80)
+
+static void smbus_print_error(u8 host_status, int loops)
+{
+       /* Check if there actually was an error. */
+       if (host_status == 0x00 || host_status == 0x40 ||
+           host_status == 0x42)
+               return;
+
+       if (loops >= SMBUS_TIMEOUT)
+               print_err("SMBus timeout\r\n");
+       if (host_status & (1 << 4))
+               print_err("Interrupt/SMI# was Failed Bus Transaction\r\n");
+       if (host_status & (1 << 3))
+               print_err("Bus error\r\n");
+       if (host_status & (1 << 2))
+               print_err("Device error\r\n");
+       if (host_status & (1 << 1))
+               print_err("Interrupt/SMI# was Successful Completion\r\n");
+       if (host_status & (1 << 0))
+               print_err("Host busy\r\n");
+}
+
+static void smbus_wait_until_ready(void)
+{
+       int loops;
+
+       PRINT_DEBUG("Waiting until SMBus ready\r\n");
+
+       loops = 0;
+       /* Yes, this is a mess, but it's the easiest way to do it. */
+       while ((inb(SMBHSTSTAT) & 1) == 1 && loops <= SMBUS_TIMEOUT)
+               ++loops;
+       smbus_print_error(inb(SMBHSTSTAT), loops);
+}
+
+static void smbus_reset(void)
+{
+       outb(HOST_RESET, SMBHSTSTAT);
+       /* Datasheet says we have to read it to take ownership of SMBus. */
+       inb(SMBHSTSTAT);
+
+       PRINT_DEBUG("After reset status: ");
+       PRINT_DEBUG_HEX16(inb(SMBHSTSTAT));
+       PRINT_DEBUG("\r\n");
+}
+
+u8 smbus_read_byte(u32 dimm, u32 offset)
+{
+       u32 val;
+
+       PRINT_DEBUG("DIMM ");
+       PRINT_DEBUG_HEX16(dimm);
+       PRINT_DEBUG(" OFFSET ");
+       PRINT_DEBUG_HEX16(offset);
+       PRINT_DEBUG("\r\n");
+
+       smbus_reset();
+       /* Clear host data port. */
+       outb(0x00, SMBHSTDAT0);
+       SMBUS_DELAY();
+       smbus_wait_until_ready();
+
+       /* Actual addr to reg format. */
+       dimm = (dimm << 1);
+       dimm |= 1;
+       outb(dimm, SMBXMITADD);
+       outb(offset, SMBHSTCMD);
+       /* Start transaction, byte data read. */
+       outb(0x48, SMBHSTCTL);
+
+       SMBUS_DELAY();
+
+       smbus_wait_until_ready();
+
+       val = inb(SMBHSTDAT0);
+       PRINT_DEBUG("Read: ");
+       PRINT_DEBUG_HEX16(val);
+       PRINT_DEBUG("\r\n");
+
+       /* Probably don't have to do this, but it can't hurt. */
+       smbus_reset();
+
+       /* Can I just "return inb(SMBHSTDAT0)"? */
+       return val;
+}
+
+void enable_smbus(void)
+{
+       device_t dev;
+
+       /* Power management controller */
+       dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA,
+                                      PCI_DEVICE_ID_VIA_VT8237R_LPC), 0);
+
+       if (dev == PCI_DEV_INVALID)
+               die("Power Management Controller not found\r\n");
+
+       /* 7 = SMBus Clock from RTC 32.768KHz
+        * 5 = Internal PLL reset from susp
+        */
+       pci_write_config8(dev, VT8237R_POWER_WELL, 0xa0);
+
+       /* Enable SMBus */
+       pci_write_config16(dev, VT8237R_SMBUS_IO_BASE_REG,
+                               VT8237R_SMBUS_IO_BASE | 0x1);
+
+       /* SMBus Host Configuration, enable */
+       pci_write_config8(dev, VT8237R_SMBUS_HOST_CONF, 0x01);
+
+       /* Make it work for I/O. */
+       pci_write_config16(dev, PCI_COMMAND, PCI_COMMAND_IO);
+
+       smbus_reset();
+
+       /* Reset the internal pointer. */
+       inb(SMBHSTCTL);
+}

Added: trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_ide.c
===================================================================
--- trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_ide.c                 
        (rev 0)
+++ trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_ide.c 2007-10-30 
03:09:39 UTC (rev 2907)
@@ -0,0 +1,116 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Rudolf Marek <[EMAIL PROTECTED]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License v2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+/* Based on other VIA SB code. */
+
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ops.h>
+#include <device/pci_ids.h>
+#include <console/console.h>
+#include "vt8237r.h"
+#include "chip.h"
+
+#define IDE_CS         0x40
+#define IDE_CONF_I     0x41
+#define IDE_CONF_II    0x42
+#define IDE_CONF_FIFO  0x43
+#define IDE_MISC_I     0x44
+#define IDE_MISC_II    0x45
+#define IDE_UDMA       0x50
+
+/**
+ * No native mode. Interrupts from unconnected HDDs might occur if
+ * IRQ14/15 is used for PCI. Therefore no native mode support.
+ */
+static void ide_init(struct device *dev)
+{
+       struct southbridge_via_vt8237r_config *sb =
+       (struct southbridge_via_vt8237r_config *) dev->chip_info;
+
+       u8 enables;
+       u32 cablesel;
+
+       printk_info("%s IDE interface %s\n", "Primary",
+                   sb->ide0_enable ? "enabled" : "disabled");
+       printk_info("%s IDE interface %s\n", "Secondary",
+                   sb->ide1_enable ? "enabled" : "disabled");
+       enables = pci_read_config8(dev, IDE_CS) & ~0x3;
+       enables |= (sb->ide0_enable << 1) | sb->ide1_enable;
+       pci_write_config8(dev, IDE_CS, enables);
+       enables = pci_read_config8(dev, IDE_CS);
+       printk_debug("Enables in reg 0x40 read back as 0x%x\n", enables);
+
+       /* Enable only compatibility mode. */
+       enables = pci_read_config8(dev, IDE_CONF_II);
+       enables &= ~0xc0;
+       pci_write_config8(dev,IDE_CONF_II, enables);
+       enables = pci_read_config8(dev, IDE_CONF_II);
+       printk_debug("Enables in reg 0x42 read back as 0x%x\n", enables);
+
+       /* Enable prefetch buffers. */
+       enables = pci_read_config8(dev, IDE_CONF_I);
+       enables |= 0xf0;
+       pci_write_config8(dev, IDE_CONF_I, enables);
+
+       /* Flush FIFOs at half. */
+       enables = pci_read_config8(dev, IDE_CONF_FIFO);
+       enables &= 0xf0;
+       enables |= (1 << 2) | (1 << 0);
+       pci_write_config8(dev, IDE_CONF_FIFO, enables);
+
+       /* PIO read prefetch counter, Bus Master IDE Status Reg. Read Retry. */
+       enables = pci_read_config8(dev, IDE_MISC_I);
+       enables &= 0xe2;
+       enables |= (1 << 4) | (1 << 3);
+       pci_write_config8(dev, IDE_MISC_I, enables);
+
+       /* Use memory read multiple, Memory-Write-and-Invalidate. */
+       enables = pci_read_config8(dev, IDE_MISC_II);
+       enables |= (1 << 2) | (1 << 3);
+       pci_write_config8(dev, IDE_MISC_II, enables);
+
+       /* Force interrupts to use compat mode. */
+       pci_write_config8(dev, PCI_INTERRUPT_PIN, 0x0);
+       pci_write_config8(dev, PCI_INTERRUPT_LINE, 0xff);
+
+       /* Cable guy... */
+       cablesel = pci_read_config32(dev, IDE_UDMA);
+       cablesel &= ~((1 << 28) | (1 << 20) | (1 <<12) | (1 << 4));
+       cablesel |= (sb->ide0_80pin_cable << 28) |
+                   (sb->ide0_80pin_cable << 20) |
+                   (sb->ide1_80pin_cable << 12) |
+                   (sb->ide1_80pin_cable << 4);
+       pci_write_config32(dev, IDE_UDMA, cablesel);
+}
+
+static struct device_operations ide_ops = {
+       .read_resources = pci_dev_read_resources,
+       .set_resources = pci_dev_set_resources,
+       .enable_resources = pci_dev_enable_resources,
+       .init = ide_init,
+       .enable = 0,
+       .ops_pci = 0,
+};
+
+static struct pci_driver northbridge_driver __pci_driver = {
+       .ops = &ide_ops,
+       .vendor = PCI_VENDOR_ID_VIA,
+       .device = PCI_DEVICE_ID_VIA_82C586_1,
+};

Added: trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_lpc.c
===================================================================
--- trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_lpc.c                 
        (rev 0)
+++ trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_lpc.c 2007-10-30 
03:09:39 UTC (rev 2907)
@@ -0,0 +1,350 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Rudolf Marek <[EMAIL PROTECTED]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License v2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+/* Inspiration from other VIA SB code. */
+
+#include <arch/io.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ops.h>
+#include <device/pci_ids.h>
+#include <pc80/mc146818rtc.h>
+#include <cpu/x86/lapic.h>
+#include <stdlib.h>
+#include "vt8237r.h"
+#include "chip.h"
+
+#define ALL            (0xff << 24)
+#define NONE           (0)
+#define DISABLED       (1 << 16)
+#define ENABLED                (0 << 16)
+#define TRIGGER_EDGE   (0 << 15)
+#define TRIGGER_LEVEL  (1 << 15)
+#define POLARITY_HIGH  (0 << 13)
+#define POLARITY_LOW   (1 << 13)
+#define PHYSICAL_DEST  (0 << 11)
+#define LOGICAL_DEST   (1 << 11)
+#define ExtINT         (7 << 8)
+#define NMI            (4 << 8)
+#define SMI            (2 << 8)
+#define INT            (1 << 8)
+
+extern void dump_south(device_t dev);
+
+struct ioapicreg {
+       u32 reg;
+       u32 value_low;
+       u32 value_high;
+} ioapic_table[] = {
+       /* IO-APIC virtual wire mode configuration. */
+       /* mask, trigger, polarity, destination, delivery, vector */
+       {0,  ENABLED | TRIGGER_EDGE | POLARITY_HIGH | PHYSICAL_DEST |
+            ExtINT, NONE},
+       {1,  DISABLED, NONE},
+       {2,  DISABLED, NONE},
+       {3,  DISABLED, NONE},
+       {4,  DISABLED, NONE},
+       {5,  DISABLED, NONE},
+       {6,  DISABLED, NONE},
+       {7,  DISABLED, NONE},
+       {8,  DISABLED, NONE},
+       {9,  DISABLED, NONE},
+       {10, DISABLED, NONE},
+       {11, DISABLED, NONE},
+       {12, DISABLED, NONE},
+       {13, DISABLED, NONE},
+       {14, DISABLED, NONE},
+       {15, DISABLED, NONE},
+       {16, DISABLED, NONE},
+       {17, DISABLED, NONE},
+       {18, DISABLED, NONE},
+       {19, DISABLED, NONE},
+       {20, DISABLED, NONE},
+       {21, DISABLED, NONE},
+       {22, DISABLED, NONE},
+       {23, DISABLED, NONE},
+};
+
+static void setup_ioapic(u32 ioapic_base)
+{
+       u32 value_low, value_high, val;
+       volatile u32 *l;
+       int i;
+
+       /* All delivered to CPU0. */
+       ioapic_table[0].value_high = (lapicid()) << (56 - 32);
+       l = (unsigned long *) ioapic_base;
+
+       /* Set APIC to FSB message bus. */
+       l[0] = 0x3;
+       val = l[4];
+       l[4] = (val & 0xFFFFFE) | 1;
+
+       /* Set APIC ADDR - this will be VT8237R_APIC_ID. */
+       l[0] = 0;
+       val = l[4];
+       l[4] = (val & 0xF0FFFF) | (VT8237R_APIC_ID << 24);
+
+       for (i = 0; i < ARRAY_SIZE(ioapic_table); i++) {
+               l[0] = (ioapic_table[i].reg * 2) + 0x10;
+               l[4] = ioapic_table[i].value_low;
+               value_low = l[4];
+               l[0] = (ioapic_table[i].reg * 2) + 0x11;
+               l[4] = ioapic_table[i].value_high;
+               value_high = l[4];
+
+               if ((i == 0) && (value_low == 0xffffffff)) {
+                       printk_warning("IO APIC not responding.\n");
+                       return;
+               }
+       }
+}
+
+/** Set up PCI IRQ routing, route everything through APIC. */
+static void pci_routing_fixup(struct device *dev)
+{
+       /* PCI PNP Interrupt Routing INTE/F - disable */
+       pci_write_config8(dev, 0x44, 0x00);
+
+       /* PCI PNP Interrupt Routing INTG/H - disable */
+       pci_write_config8(dev, 0x45, 0x00);
+
+       /* Route INTE-INTH through registers above, no map to INTA-INTD. */
+       pci_write_config8(dev, 0x46, 0x10);
+
+       /* PCI Interrupt Polarity */
+       pci_write_config8(dev, 0x54, 0x00);
+
+       /* PCI INTA# Routing */
+       pci_write_config8(dev, 0x55, 0x00);
+
+       /* PCI INTB#/C# Routing */
+       pci_write_config8(dev, 0x56, 0x00);
+
+       /* PCI INTD# Routing */
+       pci_write_config8(dev, 0x57, 0x00);
+}
+
+/**
+ * Set up the power management capabilities directly into ACPI mode.
+ * This avoids having to handle any System Management Interrupts (SMIs).
+ */
+void setup_pm(device_t dev)
+{
+       /* Debounce LID and PWRBTN# Inputs for 16ms. */
+       pci_write_config8(dev, 0x80, 0x20);
+
+       /* Set ACPI base address to I/O VT8237R_ACPI_IO_BASE. */
+       pci_write_config16(dev, 0x88, VT8237R_ACPI_IO_BASE | 0x1);
+
+       /* Set ACPI to 9, must set IRQ 9 override to level! Set PSON gating. */
+       pci_write_config8(dev, 0x82, 0x40 | VT8237R_ACPI_IRQ);
+
+       /* Primary interupt channel, define wake events 0=IRQ0 15=IRQ15 1=en. */
+       pci_write_config16(dev, 0x84, 0x30b2);
+
+       /* SMI output level to low, 7.5us throttle clock */
+       pci_write_config8(dev, 0x8d, 0x18);
+
+       /* GP Timer Control 1s */
+       pci_write_config8(dev, 0x93, 0x88);
+
+       /* 7 = SMBus clock from RTC 32.768KHz
+        * 5 = Internal PLL reset from susp
+        * 2 = GPO2 is GPIO
+        */
+       pci_write_config8(dev, 0x94, 0xa4);
+
+       /* 7 = stp to sust delay 1msec
+        * 6 = SUSST# Deasserted Before PWRGD for STD
+        * 3 = GPO26/GPO27 is GPO 
+        * 2 = Disable Alert on Lan
+        */
+       pci_write_config8(dev, 0x95, 0xcc);
+
+       /* Disable GP3 timer. */
+       pci_write_config8(dev, 0x98, 0);
+
+       /* Enable SATA LED, disable special CPU Frequency Change -
+        * GPIO28 GPIO22 GPIO29 GPIO23 are GPIOs.
+        */
+       pci_write_config8(dev, 0xe5, 0x9);
+
+       /* REQ5 as PCI request input - should be together with INTE-INTH. */
+       pci_write_config8(dev, 0xe4, 0x4);
+
+       /* Enable ACPI accessm RTC signal gated with PSON. */
+       pci_write_config8(dev, 0x81, 0x84);
+
+       /* Clear status events. */
+       outw(0xffff, VT8237R_ACPI_IO_BASE + 0x00);
+       outw(0xffff, VT8237R_ACPI_IO_BASE + 0x20);
+       outw(0xffff, VT8237R_ACPI_IO_BASE + 0x28);
+       outl(0xffffffff, VT8237R_ACPI_IO_BASE + 0x30);
+
+       /* Disable SCI on GPIO. */
+       outw(0x0, VT8237R_ACPI_IO_BASE + 0x22);
+
+       /* Disable SMI on GPIO. */
+       outw(0x0, VT8237R_ACPI_IO_BASE + 0x24);
+
+       /* Disable all global enable SMIs. */
+       outw(0x0, VT8237R_ACPI_IO_BASE + 0x2a);
+
+       /* All SMI off, both IDE buses ON, PSON rising edge. */
+       outw(0x0, VT8237R_ACPI_IO_BASE + 0x2c);
+
+       /* Primary activity SMI disable. */
+       outl(0x0, VT8237R_ACPI_IO_BASE + 0x34);
+
+       /* GP timer reload on none. */
+       outl(0x0, VT8237R_ACPI_IO_BASE + 0x38);
+
+       /* Disable extended IO traps. */
+       outb(0x0, VT8237R_ACPI_IO_BASE + 0x42);
+
+       /* SCI is generated for RTC/pwrBtn/slpBtn. */
+       outw(0x001, VT8237R_ACPI_IO_BASE + 0x04);
+}
+
+static void vt8237r_init(struct device *dev)
+{
+       u8 enables, byte;
+
+       /* Enable addr/data stepping. */
+       byte = pci_read_config8(dev, PCI_COMMAND);
+       byte |= PCI_COMMAND_WAIT;
+       pci_write_config8(dev, PCI_COMMAND, byte);
+
+       /* Enable the internal I/O decode. */
+       enables = pci_read_config8(dev, 0x6C);
+       enables |= 0x80;
+       pci_write_config8(dev, 0x6C, enables);
+
+       /* FIXME: Map 4MB of flash into the address space,
+        * this should be in CAR call.
+        */
+       /* pci_write_config8(dev, 0x41, 0x7f); */
+
+       /* Set bit 6 of 0x40 (I/O recovery time).
+        * IMPORTANT FIX - EISA = ECLR reg at 0x4d0! Decoding must be on so
+        * that PCI interrupts can be properly marked as level triggered.
+        */
+       enables = pci_read_config8(dev, 0x40);
+       enables |= 0x44;
+       pci_write_config8(dev, 0x40, enables);
+
+       /* Line buffer control */
+       enables = pci_read_config8(dev, 0x42);
+       enables |= 0xf8;
+       pci_write_config8(dev, 0x42, enables);
+
+       /* Delay transaction control */
+       pci_write_config8(dev, 0x43, 0xb);
+
+       /* I/O recovery time */
+       pci_write_config8(dev, 0x4c, 0x44);
+
+       /* ROM memory cycles go to LPC. */
+       pci_write_config8(dev, 0x59, 0x80);
+
+       /* Bypass APIC De-Assert Message, INTE#, INTF#, INTG#, INTH# as PCI. */
+       pci_write_config8(dev, 0x5B, 0xb);
+
+       /* Set Read Pass Write Control Enable (force A2 from APIC FSB to low). 
*/
+       pci_write_config8(dev, 0x48, 0x8c);
+
+       /* Set 0x58 to 0x43 APIC and RTC. */
+       pci_write_config8(dev, 0x58, 0x43);
+
+       /* Set bit 3 of 0x4f (use INIT# as CPU reset). */
+       enables = pci_read_config8(dev, 0x4f);
+       enables |= 0x08;
+       pci_write_config8(dev, 0x4f, enables);
+
+       /* Enable serial IRQ, 6PCI clocks. */
+       pci_write_config8(dev, 0x52, 0x9);
+
+       /* Enable HPET at VT8237R_HPET_ADDR. */
+       pci_write_config32(dev, 0x68, (VT8237R_HPET_ADDR | 0x80));
+
+       /* Power management setup */
+       setup_pm(dev);
+
+       /* Start the RTC. */
+       rtc_init(0);
+}
+
+void vt8237r_read_resources(device_t dev)
+{
+       struct resource *res;
+
+       pci_dev_read_resources(dev);
+       /* Fixed APIC resource */
+       res = new_resource(dev, 0x44);
+       res->base = VT8237R_APIC_BASE;
+       res->size = 256;
+       res->limit = res->base + res->size - 1;
+       res->align = 8;
+       res->gran = 8;
+       res->flags = IORESOURCE_MEM | IORESOURCE_FIXED |
+                    IORESOURCE_STORED | IORESOURCE_ASSIGNED;
+}
+
+/**
+ * The VT8237R is not a PCI bridge and has no resources of its own (other
+ * than standard PC I/O addresses), however it does control the ISA bus
+ * and so we need to manually call enable childrens resources on that bus.
+ */
+void vt8237r_enable_resources(device_t dev)
+{
+       pci_dev_enable_resources(dev);
+       enable_childrens_resources(dev);
+}
+
+static void init_keyboard(struct device *dev)
+{
+       u8 regval = pci_read_config8(dev, 0x51);
+       if (regval & 0x1)
+               init_pc_keyboard(0x60, 0x64, 0);
+}
+
+static void southbridge_init(struct device *dev)
+{
+       vt8237r_init(dev);
+       pci_routing_fixup(dev);
+       setup_ioapic(VT8237R_APIC_BASE);
+       setup_i8259();
+       init_keyboard(dev);
+}
+
+static struct device_operations vt8237r_lpc_ops = {
+       .read_resources = vt8237r_read_resources,
+       .set_resources = pci_dev_set_resources,
+       .enable_resources = vt8237r_enable_resources,
+       .init = &southbridge_init,
+       .scan_bus = scan_static_bus,
+};
+
+static struct pci_driver lpc_driver __pci_driver = {
+       .ops = &vt8237r_lpc_ops,
+       .vendor = PCI_VENDOR_ID_VIA,
+       .device = PCI_DEVICE_ID_VIA_VT8237R_LPC,
+};

Added: trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_sata.c
===================================================================
--- trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_sata.c                
                (rev 0)
+++ trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_sata.c        
2007-10-30 03:09:39 UTC (rev 2907)
@@ -0,0 +1,58 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Rudolf Marek <[EMAIL PROTECTED]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License v2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ops.h>
+#include <device/pci_ids.h>
+
+#define SATA_MISC_CTRL 0x45
+
+static void sata_init(struct device *dev)
+{
+       u8 reg;
+
+       printk_debug("Configuring VIA SATA controller\n");
+
+       /* Class IDE Disk */
+       reg = pci_read_config8(dev, SATA_MISC_CTRL);
+       reg &= 0x7f;            /* Sub Class Write Protect off */
+       pci_write_config8(dev, SATA_MISC_CTRL, reg);
+
+       /* Change the device class to SATA from RAID. */
+       pci_write_config8(dev, PCI_CLASS_DEVICE, 0x1);
+       reg |= 0x80;            /* Sub Class Write Protect on */
+       pci_write_config8(dev, SATA_MISC_CTRL, reg);
+}
+
+static struct device_operations sata_ops = {
+       .read_resources = pci_dev_read_resources,
+       .set_resources = pci_dev_set_resources,
+       .enable_resources = pci_dev_enable_resources,
+       .init = sata_init,
+       .enable = 0,
+       .ops_pci = 0,
+};
+
+static struct pci_driver northbridge_driver __pci_driver = {
+       .ops = &sata_ops,
+       .vendor = PCI_VENDOR_ID_VIA,
+       .device = PCI_DEVICE_ID_VIA_VT6420_SATA,
+};


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